Seawater Carbon Isotope Time-Series Measurements Over the Past ~30 Years: Evaluating Changes in Biogeochemistry and Marine Productivity

Mariela K Brooks1, Timothy J Lueker1, Andrew G Dickson1, Guy Emanuele III1 and Ralph F Keeling2, (1)Scripps Institution of Oceanography, UCSD, La Jolla, CA, United States, (2)Scripps Institution of Oceanography, La Jolla, CA, United States